Indoor navigation method and system using illumination lamps
First Claim
1. A method for performing a navigation service in a mobile terminal, the method comprising the steps of:
- receiving map information and an IDentification (ID) of an information spot from the information spot, which is connected to a map server, and determining a current position of the mobile terminal;
displaying the map information and the current position;
receiving a destination input by a user;
calculating and displaying an optimal path from the current position to the destination by using the map information;
when the mobile terminal receives an ID of a general spot from the general spot, re-determining a current position of the mobile terminal; and
when the re-determined current position is on the optimal path, updating the optimal path and displaying the updated optimal path from the re-determined current position to the destination.
1 Assignment
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Accused Products
Abstract
A method and apparatus for performing a navigation service in a mobile terminal is provided. Map information and an IDentification (ID) of an information spot, which is connected to a map server, are received from the information spot. A current position is determined. The map information and the current position are displayed A destination input by a user is received. An optimal path from the current position to the destination is calculated and displayed by using the map information. When the mobile terminal receives an ID of a general spot from the general spot, a current position of the mobile terminal is re-determined. When the re-determined current position is on the optimal path, the optimal path is updated and the updated optimal path from the re-determined current position to the destination is displayed.
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Citations
19 Claims
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1. A method for performing a navigation service in a mobile terminal, the method comprising the steps of:
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receiving map information and an IDentification (ID) of an information spot from the information spot, which is connected to a map server, and determining a current position of the mobile terminal; displaying the map information and the current position; receiving a destination input by a user; calculating and displaying an optimal path from the current position to the destination by using the map information; when the mobile terminal receives an ID of a general spot from the general spot, re-determining a current position of the mobile terminal; and when the re-determined current position is on the optimal path, updating the optimal path and displaying the updated optimal path from the re-determined current position to the destination. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A terminal for performing a navigation service, the terminal comprising:
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a display unit for displaying display contents under a control of a controller; a storage unit for storing data required to operate the terminal; an input unit for receiving a user'"'"'s input and delivering the user'"'"'s input to the controller; an optical communication unit, which is comprised of a light receiving device and receives an optical signal from a Light Emitting Diode (LED) spot; and the controller for controlling each component of the terminal, receiving map information and an IDentification (ID) of an information spot from the information spot connected to a map server, determining a current position of the terminal, displaying the map information and the current position, calculating and displaying an optimal path from the current position to a destination by using the map information when the destination is input by the user, re-determining a current position of the terminal when an ID of a general spot is received from a general spot, and updating the optimal path and displaying the updated optimal path from the re-determined current position to the destination. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A navigation system comprising:
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a map server for storing map information and additional information of an area for which a navigation service is provided; a plurality of LED spots, which are connected to the map server and output information delivered from the map server and their IDentification (ID) information as an optical signal; and a mobile terminal for receiving the optical signal including the map information and the ID information from one or more of the plurality of LED spots, perceiving a current position of the mobile terminal, and calculating and displaying an optimal path from the current position to a destination.
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Specification